Support rack



FIG. 1 shows a frontal perspective view of the support rack.

FIG. 2 shows a front elevation view.

FIG. 3 shows a left side elevation view.

FIG. 4 shows a top plan view.

FIG. 5 shows a right side elevation view.

FIG. 6 shows a rear elevation view; and,

FIG. 7 shows a bottom plan view. 

I claim the ornamental design for a support rack, as shown and described. 